Inventor

Shigeyoshi Matubara

Inventor
Osaka, JP

Overview

17→
Patents
1991–2001
Patent span
Performing operations
Primary field (CPC B)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B29Cprimary
B29CShaping or joining of plastics47%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts18%
Y10TTechnical subjects covered by former us classification15%
B29LIndexing scheme associated with subclass b29c, relating to particular articles9%
B29DProducing particular articles from plastics or from substances in a plastic state6%
B28BShaping clay or other ceramic compositions3%
E04GScaffolding3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2001Patents assigned to SUMITOMO CHEMICAL CO (17)· patent assignee history
1991–2001Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO171991–2001
Locations
LocationPatentsSpan
Osaka, JP171991–2001